Average Software Engineer salary in Cardiff

Our client is leading the way in next-generation communications, building laser communication systems and software-defined networking platforms for aerospace and deep-space applications. With technology acquired from Google, they’re creating solutions that let satellites, aircraft, and even cislunar networks communicate seamlessly essentially bringing space and Earth a lot closer together.The RoleThey’re looking for a Software Engineer (Delay-Tolerant Networking) to join their UK R&D team. You’ll help evolve their delay-tolerant networking products, including the Hardy Bundle Router and Spacetime Platform, and develop new features that will transform how communication networks operate worldwide. This is a fantastic opportunity to work with cutting-edge technologies, solve complex challenges, and make a genuine impact.What You’ll Be DoingBuilding and maintaining delay-tolerant networking products, platforms, and APIs using Rust, gRPC, and Protocol BuffersWorking on scalable and distributed systems using KubernetesDebugging, optimising, and improving systems for full-scale production environmentsCollaborating with front-end developers to integrate user-facing featuresCreating technical guides, tutorials, and documentation for teams and customersSupporting new customer onboarding and ensuring smooth system integrationKeeping up with the latest advancements in networking and cloud technologiesWhat We’re Looking ForA degree in Computer Science, Software Engineering, or a related fieldExperience building distributed systems with cloud technologiesStrong problem-solving and communication skillsEnjoys working with customers to find creative, practical solutionsCurious, innovative, and genuinely excited about emerging technologiesNice-to-Haves:Experience with delay-tolerant networking standards (e.g. CCSDS/IETF BPv7, BPSec)Hands-on experience with microservices, event-driven architectures, and CNCF technologiesFamiliarity with Google Cloud Platform (GCP) or AWSExperience writing tutorials, documentation, or technical blog postsWhy You’ll Love This RoleWork on high-impact, innovative projects in space technology and digital infrastructureCompetitive salary, equity options, pension, and private health insuranceFlexible hybrid working (UK-based remote)Collaborate with a diverse, international, and forward-thinking teamGet hands-on experience with AI-driven networks, space-ground integration, and cloud mission control systemsWho Can ApplyApplicants must have the right to work in the United Kingdom.Our Client Is an Equal Opportunity EmployerThey celebrate diversity and are committed to creating an inclusive workplace. Applications from candidates of all backgrounds are warmly encouraged.

Job Title: Senior Java Software EngineerSalary: £60,000 - £80,000 + packageLocation: Cardiff (onsite circa 2 days every other week)Clearance: Must be SC eligibleCPS Group are looking for a Senior Java Software Engineer to join a highly skilled engineering team delivering enterprise-scale solutions in an agile, collaborative environment based in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications.This is a hands-on role where you'll apply strong technical expertise in Java and Spring, and ideally bring experience with containerisation and cloud environments.Key ResponsibilitiesDesign, build, and maintain high-quality Java applications.Contribute to the development of microservices and modern architectures.Work with Spring framework to deliver scalable solutions.Apply best practices in software engineering including TDD, CI/CD, and automation.Collaborate within an agile team to drive continuous improvement.Ensure solutions meet security and performance requirements.Key Skills RequiredStrong commercial experience with Java.Hands-on expertise with Spring.Knowledge of software design patterns and development best practices.Experience with Docker or Kubernetes (desirable).Understanding of CI/CD pipelines.Candidate PreferencesIdeally local to Cardiff or within commutable distance.Passion for delivering high-quality, secure code.Eligible for Security Clearance (must have resided in the UK for the last 5 years).Contact: Zach Bennett - CPS GroupBy applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here https://company-policies

Role: Software Engineer (.NET / C#) Working hours: 10am-6pm (aligned to US team)Fully Remote (UK-based)Salary: £50,000 - £60,000 p/annumCPS Group are partnering with a Data Consultancy to hire a Software Engineer to support their expanding US-facing development team. This role sits within a highly collaborative engineering function and reports directly into the Director of Development, who manages teams across both the UK and the US.This is a great opportunity to join a business that delivers complex data migration and transformation solutions for enterprise clients - combining modern software engineering with real-world data challenges.The Role:You'll work primarily on the backend, developing and enhancing a core enterprise migration platform built in .NET / C#. The role has a strong focus on clean code, testing, and modern engineering practices, with exposure to large-scale, data-heavy systems.What You'll Be Doing:* Building and maintaining modern .NET / C# applications* Writing high-quality, testable code (unit tests, Git, CI/CD)* Supporting data-intensive platforms and migration projects* Working closely with Data Engineers to understand data flows* Developing and maintaining integrations and connectors* Collaborating daily with US-based stakeholders and engineersWhat They're Looking For?Essential:* Strong experience with C# / .NET* Modern engineering mindset (testing, Git workflows, clean code)* Good working knowledge of SQL for querying and data manipulation* Background in backend-focused developmentNice to Have:* Exposure to Angular* Experience with data migration, ETL, or large-scale data movement* Familiarity with CI/CD and DevOps tooling* Experience working with international or distributed teams* If you bring strong experience in the "nice to haves" - particularly data migration or ETL - and are slightly above the salary range, CPS Group are happy to discuss.If you're a Software Engineer who enjoys modern .NET development and wants to build solutions that sit at the heart of data transformation projects, this is a great opportunity to explore.By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here https://company-policies